TY - BOOK AU - Cook,Donald TI - Ulcer, the primary cause of gastric and duodenal ulcer: diagnosis, medical and surgical treatment, prevention AV - RC840 .C6 U1 - 616.33 PY - 1946///] CY - Chicago PB - Medical center foundation and fund KW - Stomach KW - Ulcers KW - Duodenum ER -